Learn about this topic in these articles:

Orinoco River

Farther upstream, on the Churún River (a tributary of the Caroní), are Angel Falls, the highest waterfall in the world (3,212 feet [979 metres]). Many lagoons, including the Mamo, Amana, and Colorada, are located on the banks of the Orinoco west of its confluence with the Caroní and east…